/*
 * Copyright (C) 2013 Google Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 *
 *     * Redistributions of source code must retain the above copyright
 * notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
 *     * Neither the name of Google Inc. nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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 */

#ifndef WebMIDIClient_h
#define WebMIDIClient_h

namespace blink {

class WebMIDIPermissionRequest;

class WebMIDIClient {
public:
    virtual ~WebMIDIClient() { }

    // Request a permission to use system exclusive messages. Called when
    // MIDIOptions.sysex is true.
    // Once the request is done, any WebMIDIPermissionRequest instances equal to
    // |request| must not be accessed after that.
    virtual void requestSysexPermission(const WebMIDIPermissionRequest& /* request */) = 0;

    // Cancel the request since the requesting frame may be moving to
    // a new page.
    // Once canceled, any WebMIDIPermissionRequest instances equal to
    // |request| must not be accessed after that.
    virtual void cancelSysexPermissionRequest(const WebMIDIPermissionRequest& /* request */) = 0;
};

} // namespace blink

#endif // WebMIDIClient_h
